[ https://issues.apache.org/jira/browse/HDFS-10194?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Vladimir Rodionov resolved HDFS-10194. -------------------------------------- Resolution: Invalid HDFS-7276 provides ByteArrayManager which is off, by default. Enabling this feature resolves the issue. > FSDataOutputStream.write() allocates new byte buffer on each operation > ---------------------------------------------------------------------- > > Key: HDFS-10194 > URL: https://issues.apache.org/jira/browse/HDFS-10194 > Project: Hadoop HDFS > Issue Type: Improvement > Components: hdfs-client > Affects Versions: 2.7.1 > Reporter: Vladimir Rodionov > > This is the code: > {code} > private DFSPacket createPacket(int packetSize, int chunksPerPkt, long > offsetInBlock, long seqno, boolean lastPacketInBlock) throws > InterruptedIOException { > final byte[] buf; > final int bufferSize = PacketHeader.PKT_MAX_HEADER_LEN + packetSize; > > try { > buf = byteArrayManager.newByteArray(bufferSize); > } catch (InterruptedException ie) { > final InterruptedIOException iioe = new InterruptedIOException( > "seqno=" + seqno); > iioe.initCause(ie); > throw iioe; > } > > return new DFSPacket(buf, chunksPerPkt, offsetInBlock, seqno, > getChecksumSize(), lastPacketInBlock); > } > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)